Bootstrap 4.2.1 - Failed to execute 'querySelector' on 'Document': '[removed]void(0);' is not a valid selector

Question

I am working on a project which I started building on bootstrap 4.0.0. During this project, I had updated bootstrap regulary whenever the new versions ( 4.1.0

Answer 1

Make sure that the anchor of the dropdown menu item is # instead of a path.

Solution: I use to Link instead of an a in React and replace it with simple and it is working now.